Design Engineer

Lumilens

$120K — $150K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • BS or MS in Electrical/Computer Engineering (or equivalent experience)
  • 3+ years of digital RTL design in SystemVerilog
  • Strong foundation in digital design fundamentals, including FSMs and pipelining
  • Experience with clean-RTL practices and lint discipline
  • Knowledge of power- and timing-aware design practices
  • Proficient in simulation debugging and scripting languages such as Python or TCL

Responsibilities

  • Develop block-level micro-architecture for assigned design blocks
  • Design and implement front-end RTL blocks in SystemVerilog
  • Integrate IP and ensure parameterization for configurability
  • Write clean, lint- and CDC/RDC-compliant RTL
  • Create block-level testbenches and assertions for verification
  • Conduct power- and timing-aware design, collaborating with backend teams
  • Debug and support bring-up across simulation, emulation, and FPGA

Benefits

  • Collaborative environment with cross-functional teams
  • Opportunity for growth as the team and chip mature
  • Hands-on involvement from design to verification
  • Focus on cutting-edge design related to high-speed data interfaces
  • Exposure to advanced technology nodes and optical design
  • Work on innovative projects that impact silicon performance
Full Job Description
Design Engineer/ Front-End Engineer / RTL Datapath Engineer

About the role. You design and implement the digital front-end RTL at the heart of the chip - including the high-speed datapath that moves data between UCIe and the optical front end. Guided by the interface specs and coding standards, you take blocks from micro-architecture through clean, timing-aware RTL and block-level verification. It's a hands-on role with room to grow your scope as the team and the chip mature.

What you'll do
  • Develop block-level micro-architecture for your assigned blocks, and contribute to interface and register definitions.
  • Design and implement front-end RTL blocks in SystemVerilog - datapath elements, the UCIe streaming/RDI adapter, elastic FIFOs, and supporting logic.
  • Integrate IP and support parameterization for configurability.
  • Write clean, lint-clean, CDC/RDC-clean RTL that follows the coding and quality standards.
  • Write block-level testbenches, sanity checks, and assertions (SVA) for your own blocks before handoff to DV.
  • Power- and timing-aware design - managing block activity, clock-gating, pipelining, and retiming; partner with the backend team on physical closure for your blocks.
  • Bring-up and debug across simulation and emulation / FPGA prototyping; support DV and silicon bring-up, including DFT/debug hooks in your blocks.
  • Collaborate with the architecture, modelling, DV, DFT, and backend teams as your blocks move through the flow.

Required
  • BS or MS in Electrical/Computer Engineering (or equivalent experience).
  • 3+ years of digital RTL design in SystemVerilog, with blocks taken from micro-architecture through to verification handoff.
  • Solid digital design fundamentals: pipelining, FSMs, FIFOs, clock-domain crossing, and streaming/bus interfaces (e.g., AXI).
  • Lint and CDC/RDC discipline and clean-RTL practices.
  • Power- and timing-aware design practices; comfort with synthesis and timing closure, working with the backend team.
  • Strong debug skills in simulation; scripting in Python, Perl, or TCL.

Preferred
  • High-speed datapath, SerDes-adjacent, or interface design exposure (UCIe, PCIe/CXL, or similar).
  • FEC/coding datapath familiarity (e.g., Reed-Solomon) and gray-code mapping.
  • Assertion-based verification (SVA) and familiarity with UVM block-level testbenches; emulation / FPGA prototyping experience.
  • Exposure to scale-up / scale-out interconnects or network switch / NIC / memory-controller datapaths.
  • Low-power / UPF and DFT (scan) concepts.
  • Optical transceiver, CPO, or linear-drive optics background; advanced-node (N5/N3/N2) design experience.

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